Upstream Bio, Inc.
For the period ended Jun 30, 2025. Filed Aug 6, 2025.
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Jun 30, 2025 · Filed Aug 6, 2025
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Unregistered Sales of Equity Securities and Use of Proceeds
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.
(a) Recent sales of unregistered equity securities
None.
(b) Use of proceeds
On October 10, 2024, our Registration Statement on Form S-1 (No. 333-282197) for our initial public offering (“IPO”) was declared effective by the Securities and Exchange Commission (“SEC”).
There has been no material change in the planned use of proceeds from our IPO as described in our final prospectus filed with the SEC pursuant to Rule 424(b)(4) under the Securities Act on October 11, 2024 (File No. 333-282197).
(c) Issuer purchases of equity securities
None.
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